TikTok is facing unprecedented pressure over its ownership and business model after the US moved ever closer to passing legislation that would force its China-based parent company to sell the platform or be banned. Legislation that would force parent firm ByteDance to sell TikTok’s US business within a year or face being banned in the country has passed through the US Congress, and now only needs President Joe Biden’s signature to become law. Here is a closer look at the troubles facing the social media giant. – What has the US done? The US Senate has passed legislation that would force ByteDa…